@type t() :: %OpenCode.Generated.SessionMessageUser{
  agents: [OpenCode.Generated.PromptAgentAttachment.t()] | nil,
  files: [OpenCode.Generated.PromptFileAttachment.t()] | nil,
  id: String.t(),
  metadata: map() | nil,
  references: [OpenCode.Generated.PromptReferenceAttachment.t()] | nil,
  text: String.t(),
  time: OpenCode.Generated.SessionMessageUserTime.t(),
  type: String.t()
}